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Equilibrium

Question
CBSEENCH11006453

Select conjugate acid base pair from the following equations:

left parenthesis straight i right parenthesis space HF plus HNO subscript 3 space rightwards harpoon over leftwards harpoon space space space straight H subscript 2 NO subscript 3 superscript plus space plus space straight F to the power of minus
left parenthesis ii right parenthesis space HNO subscript 3 plus space straight H subscript 2 straight O space rightwards harpoon over leftwards harpoon space space straight H subscript 3 straight O to the power of plus space plus space NO subscript 3 superscript minus

Solution
left parenthesis straight i right parenthesis space HF vertical line straight F to the power of minus space and space straight H subscript 2 NO subscript 3 superscript plus vertical line HNO subscript 3 are conjugate acid base pair.
left parenthesis ii right parenthesis space HNO subscript 3 vertical line NO subscript 3 superscript minus space and space straight H subscript 3 straight O to the power of plus space plus space vertical line straight H subscript 2 straight O space are conjugate acid base pair.